Question
A psychologist is interested in the mean IQ score of a given group of children. It is known that the IQ scores of the group
A psychologist is interested in the mean IQ score of a given group of children. It is known that the IQ scores of the group have a standard deviation of16.The psychologist randomly selects70 children from this group and finds that their mean IQ score is98
.Based on this sample, find a90% confidence interval for the true mean IQ score for all children of this group. Then give its lower limit and upper limit.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
LOWER LIMIT_____
UPPER LIMIT______
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Chance And Chaos
Authors: David Ruelle
1st Edition
069121395X, 9780691213958
